diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f18954b9f..6e4e3ca3b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.0.17-1"
-export PIKA_PACKAGE_NAME="sunpy-sphinx-theme"
+export PIKA_PACKAGE_VERSION="20240427.git80fb19d-1"
+export PIKA_PACKAGE_NAME="cl-ppcre"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"